Significantly rusted connections, deformed bolts, cracked welds, and failed metal plate connections pose a significant risk to historic buildings under modern loads.
Connection failures can be sudden under increased loading.
checklist
| INDEX | SIGN | YES | N/A | NO | NOTES |
|---|---|---|---|---|---|
| 1 | Severe Cracking, Especially Severe Cracking with Bulging | ||||
| 2 | Excessive Floor Deformation | ||||
| 3 | Excessive Ceiling Sagging | ||||
| 4 | Rusted Connection Bolts, Rivets, & Plates | ||||
| 5 | Deformed Connection Bolts, Rivets, & Gussets | ||||
| 6 | Fractured Welds | ||||
| 7 | Concrete Cracking Directly Under Heavy Bearing Plates & Joist Seats | ||||
| 8 | Metal Deformation | ||||
| 9 | Unusual Floor Bouncing Once Roofs, Walls, Windows, or Facades Are Opened, | ||||
| 10 | Peeling, Bubbling, or Cracking | ||||
| 11 | Musty Odors | ||||
| 12 | Texture Changes | ||||
| 13 | Efflorescence | ||||
| 14 | Visible Mold |
Preeminent Solutions, Inc. Forensic Structural Engineers & Consultants
